1. record amortization and depreciation at Dec 31, 2023 on tge mininh assers including the mineral rights.

2. assume the mine was closed on oct 31,2026 and the assets were scrapped. record rge disposal of the assets.

Copper Explorations recently acquired the rights to mine a new site. Equipment and a truck were purchased to begin mining operations at the site. Details of the mining assets follow: Asset Mineral rights Equipment Date of Purchase Mar. 1/23 Cost $ 72,000 Est. Residual $0 Est. Life. 4 yrs Mar. 1/23 259,800 4 yrs Truck Mar. 1/23 110,400 4 yrs Copper's year-end is December 31 and it uses the straight-line method for all mining assets including intangibles. Required: